CN101988998B - Liquid crystal indicator - Google Patents
Liquid crystal indicator Download PDFInfo
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- CN101988998B CN101988998B CN200910160240.7A CN200910160240A CN101988998B CN 101988998 B CN101988998 B CN 101988998B CN 200910160240 A CN200910160240 A CN 200910160240A CN 101988998 B CN101988998 B CN 101988998B
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Abstract
The invention discloses a kind of liquid crystal indicator.The display panels that this liquid crystal indicator of the present invention at least comprises backlight module and arranges on this backlight module.This display panels at least includes first substrate, second substrate, liquid crystal layer, multiple pixel region and barrier layer.Second substrate relative to first substrate, and is provided with black-matrix layer, and wherein black-matrix layer has multiple first width and multiple second width, and each second width is greater than each first width.Liquid crystal layer is arranged between first substrate and second substrate, and these pixel regions are formed between first substrate and second substrate.Barrier layer is arranged at the side of second substrate.Liquid crystal indicator according to the present invention has effect of Double-visual angle display, and the light of different visual angles can be avoided mutually to disturb.
Description
Technical field
The present invention relates to a kind of display panels and device thereof, and particularly relate to display panels and the device thereof that can carry out show image towards different directions.
Background technology
Along with information, communications industry are constantly weeded out the old and bring forth the new, drive liquid crystal display (Liquid CrystalDisplay; LCD) market is flourish.Liquid crystal display has that high image quality, volume are little, lightweight, low driving voltage, with the advantage such as low consumpting power, be therefore widely used in personal digital assistant (PersonalDigital Assistant; PDA), mobile phone, shoot with video-corder consumer communication or the electronic products such as projector, notebook computer, desktop displays, vehicle display and projection TV.Add integrated circuit (Integrated Circuit; IC) the advancing by leaps and bounds of industry and liquid crystal display manufacturing technology, these consumer communications or electronic product are also towards light, thin, short, little trend development.Especially, in computer product, except the desktop computer of high-performance, high speed, notebook computer easy to carry is subject to noting greatly and paying attention to especially.
In general liquid crystal indicator, the light direction of its backlight mostly immobilizes, and its light type (rising angle) distribution maintains some particular range, and thus general liquid crystal indicator only can be watched in specific angular field of view.For automobile-used panel, auto industry improves in-car entertainment function gradually now, and auto-navigation system and DVD audio-video system have become the basic outfit in many cars.But, when auto-navigation system and DVD audio-video system use simultaneously, then need installing two display device in car, thus increase setup cost, and the configuration space in reduction car.
Please refer to Fig. 1, it illustrates a kind of structural representation of known liquid crystal indicator.Simultaneously known liquid crystal indicator utilizes " disparity barrier (Parallax Barrier) " mode can show towards two directions, to reach effect that Double-visual angle (Dual View) shows simultaneously to make image.When Double-visual angle shows, be arranged on display panels 920 by barrier photomask 910, penetrate towards both direction with the light separating different images, thus can watch image A and B by both direction simultaneously.
But, when carrying out Double-visual angle display, if when the screen effect that provides of barrier photomask 910 is not enough, then the situation that light different visual angles easily occurring disturbs mutually.Now, generally need increase the width of barrier photomask 910, to provide sufficient screen effect, but, the overall optical transmittance of liquid crystal indicator also can with reduction.
Summary of the invention
Therefore an aspect of of the present present invention is to provide a kind of display panels and device thereof, carrys out show image thus towards different directions, thus can reach effect of Double-visual angle display.
Another aspect of the present invention is to provide a kind of display panels and device thereof, guarantees the screen effect of panel thus, avoids the light of different visual angles mutually to disturb.
Another aspect of the present invention is to provide a kind of display panels and device thereof, thus improving optical transmissivity and aperture opening ratio.
According to embodiments of the invention, display panels of the present invention at least includes first substrate, second substrate, liquid crystal layer, multiple pixel region and barrier layer.Second substrate relative to first substrate, and is provided with black-matrix layer, and wherein black-matrix layer is arranged at the side of second substrate, and black-matrix layer has multiple first width and multiple second width, and each these second width is greater than each these first width.Liquid crystal layer is arranged between first substrate and second substrate, these pixel regions are formed between first substrate and second substrate, and separated by black-matrix layer, wherein these the second width black-matrix layer of each these first width and each lay respectively at the width of the relative both sides of each these pixel region.Barrier layer is arranged at the opposite side of second substrate, and wherein barrier layer is provided with multiple opening, penetrates towards both direction in order to separating light ray.
Again, according to embodiments of the invention, above-mentioned display panels can be applicable in liquid crystal indicator.
Therefore, LCD MODULE of the present invention and liquid crystal indicator have effect of Double-visual angle display, and the light of different visual angles can be avoided mutually to disturb.Moreover, because the light tight region on first substrate is covered by black-matrix layer, thus can improving optical transmissivity and aperture opening ratio relatively.
Accompanying drawing explanation
For above and other object of the present invention, feature, advantage and embodiment can be become apparent, being described in detail as follows of accompanying drawing:
Fig. 1 is the structural representation illustrating a kind of known liquid crystal indicator.
Fig. 2 is the diagrammatic cross-section of the liquid crystal indicator illustrated according to the first embodiment of the present invention.
Fig. 3 is the equivalent circuit diagram of the first substrate of the display panels illustrated according to the first embodiment of the present invention.
Fig. 4 is the partial cutaway schematic view of the display panels illustrated according to the first embodiment of the present invention.
Fig. 5 is the schematic top plan view of the second substrate of the display panels illustrated according to the first embodiment of the present invention.
Fig. 6 A and Fig. 6 B is the schematic top plan view of the first substrate of the display panels illustrated according to the first embodiment of the present invention.
Fig. 7 is the schematic top plan view of the first substrate of the display panels illustrated according to the second embodiment of the present invention.
Description of reference numerals
A, B: image
A: the first width b: the second width
100: LCD MODULE 110: the first polaroid
120: first substrate 121: driving element
122: gate line 123: data line
124: pixel electrode 125,125a: storage capacitors
126: common electrode lines
130: liquid crystal layer 140: second substrate
141: black-matrix layer 142: chromatic filter layer
143: common electrode layer 150: the second polaroid
160: pixel region 170: barrier layer
171: opening 180: the three substrate
200: backlight module 210: optical diaphragm group
910: barrier photomask 920: display panels
Embodiment
For above and other object of the present invention, feature, advantage and embodiment can be become apparent, this instructions will especially exemplified by going out a series of embodiment to be illustrated.But it should be noted that these embodiments are just in order to illustrate embodiments of the present invention, and be not used to limit the present invention.
Please refer to Fig. 2, it is the diagrammatic cross-section of the liquid crystal indicator illustrated according to the first embodiment of the present invention.The liquid crystal indicator of the present embodiment includes LCD MODULE 100 and backlight module 200.LCD MODULE 100 is arranged at the top of backlight module 200.This backlight module 200 can be side-light type (Edge Lighting) backlight module or straight-down negative light inlet (Bottom Lighting) backlight module, wherein backlight module 200 such as can arrange optical diaphragm group 210, to promote backlight efficiency and collimation, optical diaphragm group 210 such as can be: diffusion disk, prismatic lens, brightness enhancement film (Brightness Enhancement Film; BEF), dual brightness enhancement film (Dual Brightness Enhancement Film; DBEF), non-multilayer membrane type reflective polarizers (Diffused Reflective Polarizer Film; Or above-mentioned combination in any DRPF).And the light source of backlight module 200 (not illustrating) is such as: cathode fluorescent tube (Cold CathodeFluorescent Lamp; CCFL), hot-cathode fluorescent lamp (Hot Cathode Fluorescent Lamp; HCFL), light emitting diode (Light-Emitting Diode; LED), Organic Light Emitting Diode (OrganicLight Emitting Diode; Or EL sheet (Electro-Luminescence OLED); EL), in order to provide backlight in LCD MODULE 100.
As shown in Figure 2, the LCD MODULE 100 of the present embodiment includes the first polaroid 110, first substrate 120, liquid crystal layer 130, second substrate 140, second polaroid 150, multiple pixel region (not illustrating), barrier layer 170 and the 3rd substrate 180.Wherein the first polaroid 110, first substrate 120, liquid crystal layer 130, second substrate 140, barrier layer 170, the 3rd substrate 180 and the sequentially stacking setting of the second polaroid 150.These pixel regions are formed between first substrate 120 and second substrate 140.Barrier layer 170 towards the injection of different directions, thus can reach the effect of Double-visual angle (Dual View) in order to separating light ray, also can show different images towards different directions simultaneously.
As shown in Figure 2, first polaroid 110 of the present embodiment passes through in order to allow the partial polarization direction light emitted by backlight module 200, forms polarization to make light.The first substrate 120 of the present embodiment is arranged on the first polaroid 110, make the light after polarization to liquid crystal layer 130 thus, first substrate 120, second substrate 140 and the 3rd substrate 180 are such as: glass substrate or flexible base plate, wherein first substrate 120 can be provided with multiple driving element, such as: thin film transistor (TFT) (Thin-FilmTransistor; TFT), to drive the torsion of the liquid crystal molecule in liquid crystal layer 130.
Please refer to Fig. 3 to Fig. 6 B, Fig. 3 is the equivalent circuit diagram of the first substrate of the display panels illustrated according to the first embodiment of the present invention, Fig. 4 is the partial cutaway schematic view of the display panels illustrated according to the first embodiment of the present invention, Fig. 5 is the schematic top plan view of the second substrate of the display panels illustrated according to the first embodiment of the present invention, and Fig. 6 A and Fig. 6 B is the panel schematic diagram of the first substrate of the liquid crystal indicator illustrated according to the first embodiment of the present invention.In the present embodiment, these driving elements 121 can be multiple TFT, and thus first substrate 120 can be tft array substrate.First substrate 120 also can be provided with many gate lines 122, a plurality of data lines 123, multiple pixel electrode 124 and multiple storage capacitors (Storage Capacitor; Cs) 125.Gate line 122 and data line 123 vertical interlaced mutually, and in matrix arrangement, thus form these pixel regions 160, be wherein provided with at least one TFT (driving element 121) in each these pixel region 160, it is electrically connected at adjacent gate line 122 and data line 123.The material of gate line 122 is such as Al, Ag, Cu, Mo, Cr, Ta, Ti or its alloy, and the material of data line 123 is such as Mo, Cr, Ta, Ti or its alloy, is preferably heating resisting metal.Pixel electrode 124 is arranged in pixel region 160, and is electrically connected at TFT.Pixel electrode 124 is preferred with made by the material with electric conductivity and light transmission, such as: ITO, IZO, AZO, GZO, TCO or ZnO.Storage capacitors 125 is arranged in each these pixel region 160, in order to TFT close after preset in the time, maintain the voltage of pixel electrode 124 in particular range, wherein storage capacitors 125 can be formed at (that is Cs on common pattern) between common electrode lines 126 and pixel electrode 124, as shown in Figure 6A; Or, be formed at (that is Cs on gate pattern) between gate line and pixel electrode 124, as shown in Figure 6B.
As shown in Figure 2, the liquid crystal layer 130 of the present embodiment produces different polarization state in order to make light be subject to the impact of the torsion orientation of liquid crystal molecule, controls the light and shade display effect of these pixel regions 160, to demonstrate various figure and image.And the liquid crystal molecule in liquid crystal layer 130 can be such as: vertical orientation (Vertical Alignment) liquid crystal, twisted nematic (Twist Nematic) liquid crystal or parallel alignment liquid crystal.
As shown in Figure 4 and Figure 5, the second substrate 140 of the present embodiment is provided with black-matrix layer (BlackMatrix) 141, chromatic filter layer 142 and common electrode layer 143, it is arranged at the side (direction in the face of liquid crystal layer 130) of second substrate 140, and thus second substrate 140 can form colored filter substrate.The material of black-matrix layer (Black Matrix) 141 is such as: metal (such as chromium), graphite or resin type material, in order to separate chromatic filter layer 142, and separate the coloured light of different colours, wherein these pixel regions 160 also separate by black-matrix layer 141, in the present embodiment, black-matrix layer 141 has multiple first width a and multiple second width b, these second width b is the width that black-matrix layer 141 lays respectively at the relative both sides of each these pixel region to each these first width a with each, and the second width b is greater than the first width a.For example, the first width a that black-matrix layer 141 is positioned at the side of pixel region 160 is 13 μm, and the second width b being positioned at the relative opposite side of pixel region 160 can be 18 μm, that is the first width a of black-matrix layer 141 differs 5 μm with the second width b, first width a of black-matrix layer 141 at least differs more than 1 μm with between the second width b, is preferably difference more than 5 μm.
It should be noted that, in the present embodiment, the data line 123 of first substrate 120 can to the second width b (that is width larger side) being positioned at black-matrix layer 141, now, adjacent two data lines 123 and adjacent two driving elements 121 can simultaneously to the second width b being positioned at black-matrix layer 141.That is data line 123 and driving element 121 adjacent configuration all in pairs.
As shown in Figure 4, chromatic filter layer 142 such as formed with colored photo anti-corrosion agent material, and chromatic filter layer 142 preferably has red filter layer, green color filter and blue color filter layer, different photochromic to form arbitrarily.Common electrode layer 143 is formed on black-matrix layer 141 and chromatic filter layer 142, forms electric field thus and control liquid crystal molecule to rotate with the pixel electrode 124 of first substrate 120.Common electrode layer 143 with made by the material with electric conductivity and light transmission, such as: ITO, IZO, AZO, GZO, TCO or ZnO.
As shown in Figure 4, the barrier layer 170 of the present embodiment is between second substrate 140 and the 3rd substrate 180, the material of barrier layer 170 is such as: metal (such as chromium), graphite or resin type material, barrier layer 170 is provided with multiple opening 171, in order to allow light towards the injection of different directions, thus reach the effect of DualView.Now, each these opening 171 of barrier layer 170 are to the second width b being positioned at black-matrix layer 141, and the second width b essence is more than or equal to the width of opening 171, preferably equals the width of opening 171.Therefore, the black-matrix layer 141 of the present embodiment can provide light screen effect, avoids when the screen effect of barrier layer 170 is not enough, and the situation that the light that different visual angles occurs disturbs mutually.
Therefore, when the LCD MODULE 100 of the present embodiment and device thereof carry out Double-visual angle display, the black-matrix layer 141 of second substrate 140 can supply the screen effect of barrier layer 170, avoids the light of different visual angles mutually to disturb.And covered by black-matrix layer 141 due to the data line 123 of first substrate 120 and driving element 121, that is the light tight region (such as data line 123 and driving element 121) on first substrate 120 can be concentrated further to being positioned at black-matrix layer 141, thus relatively increase the transmission region of LCD MODULE 100, that is promote optical transmittance and the aperture opening ratio (Aperture Ratio) of LCD MODULE 100.
Please refer to Fig. 7, it illustrates the schematic top plan view of the first substrate of the display panels according to the second embodiment of the present invention.Below be only described with regard to the deviation of the present embodiment and the first embodiment, do not repeat them here about resemblance.Compared to the first embodiment, the storage capacitors 125a of the first substrate 120 of the second embodiment to the second width b being positioned at black-matrix layer 141, and covered by black-matrix layer 141.Now, storage capacitors 125a can be formed by between storage capacitors electrode and pixel electrode 124, and this storage capacitors electrode is formed at the side of pixel region 160 near data line 123.Therefore, data line 123, driving element 121 and storage capacitors 125a can be covered by black-matrix layer 141 simultaneously, thus relatively increase the transmission region of LCD MODULE 100, and improving optical transmissivity and aperture opening ratio.
From the embodiment of the invention described above, LCD MODULE of the present invention and device thereof can come show image and picture towards different directions, reach effect of Double-visual angle display, and the screen effect of barrier layer is supplied by the black-matrix layer of second substrate, avoid the light of different visual angles mutually to disturb.Moreover the light tight region on first substrate can be concentrated being positioned at black-matrix layer, thus relative improving optical transmissivity and aperture opening ratio.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, any persons skilled in the art, without departing from the spirit and scope of the present invention; when being used for a variety of modifications and variations, therefore protection scope of the present invention is as the criterion when defining depending on appended claim.
Claims (8)
1. a liquid crystal indicator, at least comprises:
Backlight module; And
Display panels, arrange on this backlight module, wherein this display panels at least comprises:
First substrate;
Second substrate, relative to this first substrate, and be provided with black-matrix layer, wherein this black-matrix layer is arranged at the side of this second substrate, and this black-matrix layer has multiple first width and multiple second width, multiple second width described in each is greater than multiple first width described in each;
Liquid crystal layer, is arranged between this first substrate and this second substrate;
Multiple pixel region, be formed between this first substrate and this second substrate, and separated by this black-matrix layer, wherein multiple first width described in each and the second width multiple described in each lay respectively at the width of the relative both sides of multiple pixel region described in each for this black-matrix layer; And
Barrier layer, be arranged at the opposite side of this second substrate, wherein this barrier layer is provided with multiple opening, penetrate towards both direction in order to separating light ray, wherein described multiple opening of this barrier layer is respectively to described multiple second width being positioned at this black-matrix layer, and described in each, multiple second width is more than or equal to the width of multiple opening described in each.
2. liquid crystal indicator as claimed in claim 1, wherein this display panels also at least comprises:
3rd substrate, is arranged at the side of this barrier layer, and relative to this second substrate.
3. liquid crystal indicator as claimed in claim 1, wherein this first substrate is provided with multiple driving element, described multiple driving element is to described multiple second width being positioned at this black-matrix layer, and when this display panels shows, described multiple driving element covered by this black-matrix layer.
4. liquid crystal indicator as claimed in claim 1, wherein this first substrate at least comprises:
Multiple gate line;
Multiple data line, be vertically intersected on described multiple gate line, in order to form described multiple pixel region, wherein be provided with at least one thin film transistor (TFT) in multiple pixel region described in each, this thin film transistor (TFT) is electrically connected at the wherein one of adjacent described multiple gate line and the wherein one of adjacent described multiple data line; And
Multiple pixel electrode, lays respectively in multiple pixel region described in each, and is electrically connected at this thin film transistor (TFT).
5. liquid crystal indicator as claimed in claim 4, wherein said multiple data line and described at least one thin film transistor (TFT) are described multiple second width to being positioned at this black-matrix layer, and when this display panels shows, described multiple data line and described at least one thin film transistor (TFT) covered by this black-matrix layer.
6. liquid crystal indicator as claimed in claim 4, wherein every two adjacent described multiple data lines and every two adjacent described at least one thin film transistor (TFT)s for be positioned at this black-matrix layer each described in multiple second width.
7. liquid crystal indicator as claimed in claim 1, at least differs 1 μm between multiple first width with the second width multiple described in each described in each of wherein this black-matrix layer.
8. liquid crystal indicator as claimed in claim 1, at least differs 5 μm between multiple first width with the second width multiple described in each described in each of wherein this black-matrix layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910160240.7A CN101988998B (en) | 2009-07-30 | 2009-07-30 | Liquid crystal indicator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910160240.7A CN101988998B (en) | 2009-07-30 | 2009-07-30 | Liquid crystal indicator |
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| CN101988998A CN101988998A (en) | 2011-03-23 |
| CN101988998B true CN101988998B (en) | 2015-10-07 |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202487576U (en) * | 2012-02-09 | 2012-10-10 | 京东方科技集团股份有限公司 | Array substrate and dual viewing field display device |
| CN102629041B (en) | 2012-02-09 | 2014-04-16 | 京东方科技集团股份有限公司 | Three-dimensional (3D) display device and manufacture method thereof |
| CN103728801A (en) * | 2013-12-27 | 2014-04-16 | 深圳市华星光电技术有限公司 | Pixel structure and liquid crystal display panel with same |
| CN104090417B (en) | 2014-07-10 | 2016-11-23 | 京东方科技集团股份有限公司 | A kind of display device and driving method thereof |
| CN104217652B (en) * | 2014-09-04 | 2016-05-11 | 深圳市华星光电技术有限公司 | Display floater, colored optical filtering substrates and manufacture method thereof, manufacturing equipment |
| CN106547137A (en) * | 2016-11-01 | 2017-03-29 | 深圳市华星光电技术有限公司 | A kind of liquid crystal panel and manufacture method |
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| EP2009614A1 (en) * | 2006-04-17 | 2008-12-31 | Panasonic Corporation | Display device |
| CN101419303A (en) * | 2007-10-26 | 2009-04-29 | 中华映管股份有限公司 | Colourful filtering substrate, making method thereof and liquid crystal display panel |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3879727B2 (en) * | 2003-10-02 | 2007-02-14 | セイコーエプソン株式会社 | Liquid crystal display device and electronic device |
| EP2057460A2 (en) * | 2006-08-24 | 2009-05-13 | Koninklijke Philips Electronics N.V. | Method of manufacturing a semiconductor sensor device and semiconductor sensor device |
| US8284334B2 (en) * | 2007-12-03 | 2012-10-09 | Lg Display Co., Ltd. | Display device and method of fabricating the same |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2009614A1 (en) * | 2006-04-17 | 2008-12-31 | Panasonic Corporation | Display device |
| CN101419303A (en) * | 2007-10-26 | 2009-04-29 | 中华映管股份有限公司 | Colourful filtering substrate, making method thereof and liquid crystal display panel |
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